Home / 35,428,135.80-53,108,766.90-19,230,209.40

Finding the Fourth Proportional to 35,428,135.80, 53,108,766.90 and 19,230,209.40

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Solution

The fourth proportional to 35,428,135.80, 53,108,766.90 and 19,230,209.40 is: 28,827,164.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,428,135.80 : 53,108,766.90 = 19,230,209.40 : x
  2. Step 2: Convert to fraction form
    35,428,135.80/53,108,766.90 = 19,230,209.40/x
  3. Step 3: Cross multiply
    35,428,135.80x = 53,108,766.90 × 19,230,209.40
  4. Step 4: Simplify right side
    35,428,135.80x = 1,021,292,708,462,788.75
  5. Step 5: Solve for x
    x = 1,021,292,708,462,788.75/35,428,135.80
  6. Step 6: Final answer
    x = 28,827,164.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.